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CVE-2026-71164: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in takeover of Helidon. in Oracle Corporation Helidon

0
Critical
VulnerabilityCVE-2026-71164cvecve-2026-71164
Published: 08/18/2026 (08/18/2026, 21:03:50 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Helidon

Description

CVE-2026-71164 is a critical vulnerability in Oracle Helidon versions 3.0.0 through 3.2.17 and 3.2.18. It allows an unauthenticated attacker with network access via HTTP to fully compromise the Helidon product, potentially leading to complete takeover. The vulnerability affects the Imperative Web Server component of Oracle Fusion Middleware. The CVSS 3.1 base score is 9.8, indicating severe impacts on confidentiality, integrity, and availability.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Oracle Corporation

Helidon

Affected versions
>=3.0.0 <=3.2.17
io.helidon/helidon
pkg:maven/io.helidon/helidon
Affected versions
=3.2.18

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 11:19:44 UTC

Technical Analysis

This vulnerability in Oracle Helidon (Imperative Web Server component) affects versions 3.0.0 to 3.2.17 and 3.2.18. It is easily exploitable by an unauthenticated attacker over HTTP, allowing full compromise of the Helidon system. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) reflects network attack vector, low complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability. Oracle has published a Critical Security Patch Update advisory referencing this vulnerability and strongly recommends applying patches promptly.

Potential Impact

Successful exploitation results in complete takeover of the Helidon product, impacting confidentiality, integrity, and availability of the system. This could allow attackers to execute arbitrary code, access sensitive data, and disrupt service.

Mitigation Recommendations

Oracle has released security patches addressing this vulnerability as part of its August 2026 Critical Security Patch Update. Customers should apply the official patches without delay to mitigate the risk. Oracle strongly recommends remaining on actively supported versions and promptly applying security updates. Patch availability and installation instructions are provided in the Oracle advisory at https://www.oracle.com/security-alerts/cspuaug2026.html.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-04T22:06:34.621Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspuaug2026.html","vendor":"Oracle"}]

Threat ID: 6a84ccdcc6e8be0332c3939b

Added to database: 08/18/2026, 21:21:32 UTC

Last enriched: 09/11/2026, 11:19:44 UTC

Last updated: 10/02/2026, 02:46:06 UTC

Views: 26

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